Concealed Pendent Flat Plate QR K=71 1/2" - LFII - Flat Plate Concealed Pendent - RAPID RESPONSE® Residential Sprinklers Systems - Fire Sprinklers & Nozzles - Products | JCI Webshop
RFC Series Residential Concealed Pendent Sprinklers | Reliable Sprinkler
Amazon.com: TUNA UL & CUL Listed 1/2"NPT Fire Sprinkler Head 155°F (68°C) Concealed Pendent Spray K80 Standard Response for Automatic Fire sprinkler System Concealed Head with White Cover Plate : Patio, Lawn
Ceiling Mounted Concealed Fire Sprinkler Head, 68 Degree C